
<template>
    <div>数字：{{number}}
        
    </div>
    <button @click="addNumber">+1</button>
</template>
<script setup>
    import {ref} from 'vue'
    let number = ref(1)
    const addNumber =() =>{
        number.value++
    }
</script>
<style lang="">
    
</style>
